class_docstr: A serializable `frompyfunc` object
code: def __reduce__(self):
      return (da_frompyfunc, (self._func, self.nin, self.nout))
  
imports: from __future__ import annotations
  from functools import partial
  from operator import getitem
  import numpy
  from dask import core
  from dask.array.core import Array, apply_infer_dtype, asarray, blockwise, elemwise
  from dask.base import is_dask_collection, normalize_function
  from dask.highlevelgraph import HighLevelGraph
  from dask.utils import derived_from, funcname
label_desc: Use image node_id 4 for calling the da_frompyfunc obj's underlying member method code with example usage: obj.__reduce__() and returns: da_frompyfunc,  self,  self,  self